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WO2000041865A1 - Method for producing a foam element, especially a foam padding element for a plane or vehicle seat - Google Patents

Method for producing a foam element, especially a foam padding element for a plane or vehicle seat Download PDF

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Publication number
WO2000041865A1
WO2000041865A1 PCT/EP1999/005303 EP9905303W WO0041865A1 WO 2000041865 A1 WO2000041865 A1 WO 2000041865A1 EP 9905303 W EP9905303 W EP 9905303W WO 0041865 A1 WO0041865 A1 WO 0041865A1
Authority
WO
WIPO (PCT)
Prior art keywords
fleece
coating
foam
carrier
layer
Prior art date
Application number
PCT/EP1999/005303
Other languages
German (de)
French (fr)
Inventor
Konstantinos Poulakis
Original Assignee
Gottlieb Binder Gmbh & Co.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gottlieb Binder Gmbh & Co. filed Critical Gottlieb Binder Gmbh & Co.
Priority to EP99940044A priority Critical patent/EP1144173B1/en
Priority to JP2000593459A priority patent/JP4260373B2/en
Priority to BRPI9916856-1A priority patent/BR9916856B1/en
Priority to DE59902806T priority patent/DE59902806D1/en
Priority to AT99940044T priority patent/ATE224280T1/en
Priority to US09/786,328 priority patent/US6986822B1/en
Publication of WO2000041865A1 publication Critical patent/WO2000041865A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0647—Seats characterised by special upholstery or cushioning features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/14—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining
    • B29C44/143—Means for positioning the lining in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24174—Structurally defined web or sheet [e.g., overall dimension, etc.] including sheet or component perpendicular to plane of web or sheet
    • Y10T428/24182—Inward from edge of web or sheet

Definitions

  • the invention relates to a method for producing a foam body part, in particular an upholstered foam part for a flight or passenger seat, in which a layer of a barrier layer between the foam material and the relevant wall part is applied to at least one shaping wall part of a foaming mold .
  • a barrier layer which prevents direct contact of the foam material with the shaping wall of the foaming mold, aims to facilitate the demolding process by preventing caking on the shaping wall in the area of the barrier layer.
  • problems arise when inserting the layer forming the barrier layer and securing it to the shaping wall. Due to the forces acting on the shaping wall parts during the foaming process, there is a risk of the layer inserted into the mold being displaced and / or of wrinkles forming, which results, among other things, in surface defects on the foam body part produced.
  • the invention has for its object to provide a method of the type under consideration, which is characterized by simple feasibility and also leads to improved properties of the process product.
  • this object is achieved according to the invention in that a fleece with a ferromagnetic coating is used as the layer forming the barrier layer and in that the fleece is detachably held in position on the wall part by means of a magnetic field-producing device which interacts with the ferromagnetic coating .
  • a ferromagnetic coated fleece provided according to the invention, there are several significant advantages. This makes insertion into the foam mold particularly easy.
  • the fleece only needs to be applied to the wall of the foam mold, on which it is held securely in contact by the interaction of the ferromagnetic coating with the magnetic field prevailing on the wall part in question.
  • permanent magnets are preferably provided in a suitable positional arrangement on the foaming mold. With its ferromagnetic coating, the fleece nestles itself wrinkle-free against the shaping wall, where appropriate adapting itself to a contoured course of the wall part in question. The position of the fleece is retained during the foaming process due to the magnetic holding forces.
  • the ferromagnetic coating of the nonwoven applied to the wall part of the foaming mold provides a good foam barrier, ie a very effective barrier layer against the passage of foam material to the wall part forms
  • the back of the fleece free of the coating enables a good bond with the foam body part produced during the foaming process by penetrating the foam material into the structure of the fleece. This is therefore securely attached to the relevant surface area of the foam body part by foaming.
  • the method according to the invention is particularly suitable for the production of upholstered foam parts for seats in which mechanical devices are installed or attached to the rear or inside of the relevant upholstered foam part, for example gear devices for seat or backrest adjustment and / or for adjusting headrests on backrests.
  • the fleece attached to the relevant surface areas of the upholstered foam part forms, with its ferromagnetic coating, an abrasion-resistant protective layer against rubbing through of the foam part by mechanical parts in question.
  • a composition is preferably used as the ferromagnetic coating which contains 80 parts of polyurethane and 20 parts of ferrite powder and is processed with a binder to form a spreadable mass. This is preferably doctored onto a web of a relevant carrier by means of a knife or coating nozzle, which web is moved relative to the doctor blade.
  • the fleece to be coated can itself be used as a carrier, onto which the spreadable mass is directly doctored.
  • a web of siliconized carrier eg paper or foil
  • the coated carrier is then passed through a laminating unit together with a web of the nonwoven and the coating of the carrier is transferred onto the nonwoven by lamination. After separating the webs of the carrier and the coating The fleece can be rolled up to be used again for a new coating process.
  • the invention also relates to a foam body part produced by the method shown, which has the features of claim 11.
  • FIG. 1 is a perspective view of an upholstery foam part which forms the front shell part of the backrest of a vehicle seat.
  • FIG. 2 shows a rear view of the upholstery foam part from FIG. 1 drawn on a somewhat larger scale than FIG. 1;
  • FIG. 3 shows a highly schematically simplified illustration of a device for producing a coated nonwoven for use in carrying out the method according to the invention
  • FIG. 4 shows a representation similar to FIG. 3 of a modified device for producing the coated fleece.
  • Fig. 1 shows a foam body part 1 in the form of an upholstery foam part for a passenger seat, which is the front part of a backrest shell, which has on its front 3 the ergonomically suitable shape for supporting the back of the seat user.
  • the foam body part 1 forms a depression in the form of a flat trough which is intended for receiving the mechanics associated with the backrest, ie the supporting metal frame and the Actuating and adjusting devices, for example for the height adjustment of a headrest, the support rods of which extend upwards through the upper part of the foam body part 1.
  • the mechanics associated with the backrest ie the supporting metal frame and the Actuating and adjusting devices, for example for the height adjustment of a headrest, the support rods of which extend upwards through the upper part of the foam body part 1.
  • the base of the trough-like depression on the rear side 5 is covered by a fleece 7, which is foamed on the relevant surface of the foam body part 1 during the foaming process.
  • the exposed outside of the fleece 7 has a ferromagnetic coating 9.
  • the coating 9, which in the present example is a layer made of a polyurethane to which ferrite particles have been added, forms a smooth, dense and abrasion-resistant layer on the exposed outside of the fleece 7.
  • the coating 9 acts as a foam barrier during the foaming process, where the coating 9 rests on the shaping wall of the foam mold, so that the foam mass can form a good bond with the free back of the fleece 7, the direct contact with the shaping wall through the Coating 9 is prevented. Caking of the foam mass on the shaping wall is thus avoided and demolding of the foam body part is facilitated.
  • the fleece 7 can be secured by means of a suitable magnet arrangement after it has been placed in the foam mold, lying against the shaping wall thereof. A displacement, folding or warping by the forces acting during the foaming process is therefore avoided without special holding means having to be provided on the shaping wall of the foaming mold.
  • Permanent magnet strips can be provided as a magnet arrangement, which are arranged along the edges of the fleece 7 on the outside of the foaming mold.
  • the coating 9 faces the mechanics accommodated in the backrest of the passenger seat in question, forms with its coating 9 a smooth, low-friction and abrasion-resistant layer and therefore protection against chafing of the surface of the foam body part 1 by parts of the mechanics due to vibrations or from function-related movements of corresponding mechanical parts.
  • 3 and 4 illustrate two different procedures for the production of the fleece 7 with ferromagnetic coating 9.
  • an uncoated PET fleece 11 with 20 to 60 g / m 2 , preferably about 40 g / m 2, is used as the base material used, to which 60 to 100 g / m 2 , preferably about 80 g / m 2 , of the ferromagnetic coating 9 is applied.
  • This coating is applied as a spreadable mass by knife coating.
  • This mass can be, for example, a mixture of 80 parts of polyurethane SU 4715 (Stahl) or a similar polyurethane material with the addition of 20 parts of ferrite powder with a grain size of 10 microns, butamon being used as a diluent to give the mixture a spreadable mass of approx. 3000 mPa s to process.
  • polyurethane SU 4715 Stahl
  • ferrite powder with a grain size of 10 microns
  • the spreadable composition forming the coating 9 is applied directly to a web of the uncoated nonwoven 11, which is unwound from a supply roll, by passing the web of the uncoated nonwoven 11 through a coating device, as shown Example using a doctor blade 13.
  • the web of the nonwoven 7 with the applied, still wet coating 9 is then passed through a dryer 15 and, after the coating 9 has dried, is rolled up to form a roll 17.
  • FIG. 4 illustrates a modified procedure in which the spreadable composition forming the coating 9 is not applied directly to the uncoated PET fleece 11 by means of the doctor blade, but initially on the web of a siliconized carrier 17, for example in the form of a paper web or film web, which is fed from a supply roll 19 to the doctor blade 13.
  • the carrier 17 After the coating 9 has been applied to the carrier 17, the latter is fed together with the web of the uncoated PET fleece 11 to a laminating unit 21, where the coating 9 is transferred from the carrier 17 to the fleece 11 by lamination.
  • the webs of the carrier 1 7 and the fleece 7 having the coating transferred to it pass through the dryer 1 5.
  • the carrier 17 is separated from the coated fleece 7 and rolled up separately to form a roll 23.
  • the coated fleece 7 is rolled up to form a winding 25.
  • the carrier 1 7 rolled up on the reel 23 can be reused, ie replace the supply reel 1 9 for further manufacturing operations when it is exhausted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Nonwoven Fabrics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention relates to a method for producing a foam element (1), especially a foam padding element for a plane or vehicle seat. A layer is applied to at least one shaping wall section of a foaming mold. Said layer consists of a material that forms a barrier layer between the foam material and the respective wall section during the foaming process. A fleece (7) with a ferrogmagnetic coating (9) is used as the layer forming the barrier layer and said fleece (7) is releasably held in its position at the wall section by means of a device that produces a ferromagnetic field and interacts with the ferromagnetic coating (9).

Description

Verfahren zum Herstellen eines Schaumkörperteiles, insbesondere eines Polsterschaumteiles für einen Flug- oder Fahrgastsitz Method for producing a foam body part, in particular an upholstered foam part for an aircraft or passenger seat
Die Erfindung bezieht sich auf ein Verfahren zum Herstellen eines Schaumkörperteiles, insbesondere eines Polsterschaumteiles für einen Flug- oder Fahrgastsitz, bei dem an zumindest einen formgebenden Wandteil einer Einschäumform eine Lage aus einem beim Schäumvorgang eine Sperrschicht zwischen dem Schaummaterial und dem betreffenden Wandteil bildenden Material angelegt wird.The invention relates to a method for producing a foam body part, in particular an upholstered foam part for a flight or passenger seat, in which a layer of a barrier layer between the foam material and the relevant wall part is applied to at least one shaping wall part of a foaming mold .
Verfahren dieser Art sind bekannt. Die Ausbildung einer Sperrschicht, die eine unmittelbare Berührung des Schaummaterials mit der formgebenden Wand der Einschäumform verhindert, zielt auf die Erleichterung des Entformvorganges ab, indem ein Anbacken an der formgebenden Wand im Bereich der Sperrschicht verhindert wird. Es ergeben sich jedoch Probleme beim Einlegen der die Sperrschicht bildenden Lage und deren Sicherung an der formgebenden Wand. Aufgrund der beim Schäumvorgang auf die formgebenden Wandteile einwirkenden Kräfte besteht die Gefahr eines Ver- schiebens der in die Form eingelegten Lage und/oder der Faltenbildung, wodurch sich unter anderem Oberflächenfehler am hergestellten Schaumkörperteil ergeben.Methods of this type are known. The formation of a barrier layer, which prevents direct contact of the foam material with the shaping wall of the foaming mold, aims to facilitate the demolding process by preventing caking on the shaping wall in the area of the barrier layer. However, problems arise when inserting the layer forming the barrier layer and securing it to the shaping wall. Due to the forces acting on the shaping wall parts during the foaming process, there is a risk of the layer inserted into the mold being displaced and / or of wrinkles forming, which results, among other things, in surface defects on the foam body part produced.
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der betrachteten Art aufzuzeigen, das sich durch einfache Durchführbarkeit auszeichnet und darüber hinaus zu verbesserten Eigenschaften des Verfahrenserzeugnisses führt.The invention has for its object to provide a method of the type under consideration, which is characterized by simple feasibility and also leads to improved properties of the process product.
Bei einem Verfahren der eingangs genannten Art ist diese Aufgabe erfin- dungsgemäß dadurch gelöst, daß als die Sperrschicht bildende Lage ein Vlies mit ferromagnetischer Beschichtung verwendet wird und daß das Vlies mittels einer mit der ferromagnetischen Beschichtung zusammenwirkenden, magnetfelderzeugenden Einrichtung am Wandteil lösbar in Stellung gehalten wird.In a method of the type mentioned at the outset, this object is achieved according to the invention in that a fleece with a ferromagnetic coating is used as the layer forming the barrier layer and in that the fleece is detachably held in position on the wall part by means of a magnetic field-producing device which interacts with the ferromagnetic coating .
Aufgrund der erfindungsgemäß vorgesehenen Verwendung eines ferro- magnetisch beschichteten Vlieses ergeben sich mehrere wesentliche Vorteile. So gestaltet sich das Einlegen in die Einschäumform besonders einfach. Das Vlies braucht lediglich an die Wand der Einschäumform angelegt zu werden, an der es durch die Zusammenwirkung der ferromagnetischen Beschichtung mit dem am betreffenden Wandteil herrschenden Magnetfeld sicher in Anlage gehalten wird. Vorzugsweise sind zur Erzeugung des Magnetfeldes Permanentmagnete in geeigneter Lageanordnung an der Einschäumform vorgesehen. Das Vlies schmiegt sich mit seiner ferromagneti- sehen Beschichtung faltenlos an die formgebende Wand an, wobei es sich gegebenenfalls einem konturierten Verlauf des betreffenden Wandteiles anpaßt. Durch die magnetischen Haltekräfte bleibt die Lage des Vlieses beim Einschäumvorgang erhalten.Due to the use of a ferromagnetic coated fleece provided according to the invention, there are several significant advantages. This makes insertion into the foam mold particularly easy. The fleece only needs to be applied to the wall of the foam mold, on which it is held securely in contact by the interaction of the ferromagnetic coating with the magnetic field prevailing on the wall part in question. To generate the magnetic field, permanent magnets are preferably provided in a suitable positional arrangement on the foaming mold. With its ferromagnetic coating, the fleece nestles itself wrinkle-free against the shaping wall, where appropriate adapting itself to a contoured course of the wall part in question. The position of the fleece is retained during the foaming process due to the magnetic holding forces.
Während die am Wandteil der Einschäumform anliegende ferromagnetische Beschichtung des Vlieses eine gute Schaumbarriere, d.h. eine sehr wirksame Sperrschicht gegen den Durchtritt von Schaummaterial zum Wandteil bildet, ermöglicht die von der Beschichtung freie Rückseite des Vlieses eine gute Bindung mit dem beim Schäumvorgang hergestellten Schaumkörperteil durch Eindringen des Schaummaterials in die Struktur des Vlieses. Dieses wird daher an dem betreffenden Oberflächenbereich des Schaumkörpertei- les durch Anschäumen sicher befestigt. In dieser Hinsicht eignet sich das erfindungsgemäße Verfahren in besonderer Weise für die Herstellung von Polsterschaumteilen für Sitze, bei denen an der Rück- oder Innenseite des betreffenden Polsterschaumteiles mechanische Einrichtungen ein- oder angebaut sind, beispielsweise Getriebeeinrichtungen zur Sitz- oder Rücken- lehnenverstellung und/oder zur Verstellung von Kopfstützen an Rückenlehnen. Das an betreffenden Oberflächenbereichen des Polsterschaumteiles befestigte Vlies bildet mit seiner ferromagnetischen Beschichtung eine abriebfeste Schutzschicht gegen Durchscheuern des Schaumteiles durch betreffende mechanische Teile.While the ferromagnetic coating of the nonwoven applied to the wall part of the foaming mold provides a good foam barrier, ie a very effective barrier layer against the passage of foam material to the wall part forms, the back of the fleece free of the coating enables a good bond with the foam body part produced during the foaming process by penetrating the foam material into the structure of the fleece. This is therefore securely attached to the relevant surface area of the foam body part by foaming. In this regard, the method according to the invention is particularly suitable for the production of upholstered foam parts for seats in which mechanical devices are installed or attached to the rear or inside of the relevant upholstered foam part, for example gear devices for seat or backrest adjustment and / or for adjusting headrests on backrests. The fleece attached to the relevant surface areas of the upholstered foam part forms, with its ferromagnetic coating, an abrasion-resistant protective layer against rubbing through of the foam part by mechanical parts in question.
Als ferromagnetische Beschichtung wird vorzugsweise eine Zusammensetzung verwendet, die 80 Teile Polyurethan und 20 Teile Ferritpulver enthält und mit einem Bindemittel zu einer streichfähigen Masse verarbeitet ist. Diese wird vorzugsweise mittels Messer oder Beschichtungsdüse auf eine Bahn eines betreffenden Träges aufgerakelt, der relativ zur Rakel bewegt wird.A composition is preferably used as the ferromagnetic coating which contains 80 parts of polyurethane and 20 parts of ferrite powder and is processed with a binder to form a spreadable mass. This is preferably doctored onto a web of a relevant carrier by means of a knife or coating nozzle, which web is moved relative to the doctor blade.
Hierbei kann das zu beschichtende Vlies selbst als Träger verwendet werden, auf den die streichfähige Masse unmittelbar aufgerakelt wird.Here, the fleece to be coated can itself be used as a carrier, onto which the spreadable mass is directly doctored.
Alternativ kann eine Bahn eines silikonisierten Trägers (z.B. Papier oder Folie) relativ zur Rakel bewegt und mit der Beschichtung versehen werden. In diesem Falle wird der beschichtete Träger zusammen mit einer Bahn des Vlieses anschließend durch ein Kaschierwerk hindurchgeführt und die Be- Schichtung des Trägers durch Aufkaschieren auf das Vlies übertragen. Nach dem Trennen der Bahnen des Trägers und des die Beschichtung aufweisen- den Vlieses kann der Träger aufgerollt werden, um für einen neuerlichen Beschichtungsvorgang wieder verwendet zu werden.Alternatively, a web of siliconized carrier (eg paper or foil) can be moved relative to the doctor blade and provided with the coating. In this case, the coated carrier is then passed through a laminating unit together with a web of the nonwoven and the coating of the carrier is transferred onto the nonwoven by lamination. After separating the webs of the carrier and the coating The fleece can be rolled up to be used again for a new coating process.
Gegenstand der Erfindung ist auch ein nach dem aufgezeigten Verfahren hergestelltes Schaumkörperteil, das die Merkmale des Anspruches 1 1 aufweist.The invention also relates to a foam body part produced by the method shown, which has the features of claim 11.
Nachstehend ist die Erfindung anhand der Zeichnung im einzelnen erläutert. Es zeigen:The invention is explained in detail below with reference to the drawing. Show it:
Fig. 1 eine perspektivische Ansicht eines Polsterschaumteiles, das den vorderen Schalenteil der Rückenlehne eines Fahrzeugsitzes bildet;1 is a perspective view of an upholstery foam part which forms the front shell part of the backrest of a vehicle seat.
Fig. 2 eine gegenüber Fig. 1 in etwas größerem Maßstab gezeichnete Rückansicht des Polsterschaumteiles von Fig. 1;FIG. 2 shows a rear view of the upholstery foam part from FIG. 1 drawn on a somewhat larger scale than FIG. 1;
Fig. 3 eine stark schematisch vereinfacht gezeichnete Darstellung einer Einrichtung zum Herstellen eines beschichteten Vlieses zur Verwendung bei der Durchführung des erfindungsgemäßen Verfahrens und3 shows a highly schematically simplified illustration of a device for producing a coated nonwoven for use in carrying out the method according to the invention and
Fig. 4 eine der Fig. 3 ähnliche Darstellung einer abgewandelten Einrichtung zum Herstellen des beschichteten Vlieses.FIG. 4 shows a representation similar to FIG. 3 of a modified device for producing the coated fleece.
Fig. 1 zeigt ein Schaumkörperteil 1 in Form eines Polsterschaumteiles für einen Fahrgastsitz, wobei es sich um den vorderen Teil einer Rückenlehnenschale handelt, die an ihrer Vorderseite 3 die für die Abstützung des Rückens des Sitzbenutzers ergonomisch geeignete Formgebung besitzt. An seiner Rückseite 5 bildet das Schaumkörperteil 1 eine Vertiefung in Form einer flachen Mulde, die für die Aufnahme der der Rückenlehne zugehörigen Mechanik bestimmt ist, d.h. des tragenden Metallrahmens sowie der Betätigungs- und VerStelleinrichtungen, beispielsweise für die Höheneinstellung einer Kopfstütze, deren Tragstangen sich durch den oberen Teil des Schaumkörperteiles 1 hindurch nach oben erstrecken. Diese hier als „Mechanik" bezeichneten Komponenten sind in der Zeichnung nicht darge- stellt.Fig. 1 shows a foam body part 1 in the form of an upholstery foam part for a passenger seat, which is the front part of a backrest shell, which has on its front 3 the ergonomically suitable shape for supporting the back of the seat user. On its rear side 5, the foam body part 1 forms a depression in the form of a flat trough which is intended for receiving the mechanics associated with the backrest, ie the supporting metal frame and the Actuating and adjusting devices, for example for the height adjustment of a headrest, the support rods of which extend upwards through the upper part of the foam body part 1. These components, referred to here as “mechanics”, are not shown in the drawing.
Wie besonders deutlich aus Fig. 2 zu ersehen ist, ist der Grund der muldenartigen Vertiefung an der Rückseite 5 durch ein Vlies 7 bedeckt, das beim Schäumvorgang an der betreffenden Oberfläche des Schaumkörperteiles 1 angeschäumt ist. Die freiliegende Außenseite des Vlieses 7 weist eine ferromagnetische Beschichtung 9 auf. Die Beschichtung 9, die beim vorliegenden Beispiel eine Schicht aus einem Polyurethan ist, dem Ferritteilchen zugesetzt sind, bildet an der freiliegenden Außenseite des Vlieses 7 eine glatte, dichte und abriebfeste Schicht. Dadurch wirkt die Beschichtung 9 beim Schäumvorgang, wo die Beschichtung 9 an der formgebenden Wand der Einschäumform anliegt, als Schaumbarriere, so daß die Schaummasse zwar mit der freien Rückseite des Vlieses 7 eine gute Bindung eingehen kann, der direkte Kontakt mit der formgebenden Wand durch die Beschichtung 9 jedoch verhindert wird. Somit wird das Anbacken der Schaummasse an der formgebenden Wand vermieden und das Entformen des Schaumkörperteiles erleichtert.As can be seen particularly clearly from FIG. 2, the base of the trough-like depression on the rear side 5 is covered by a fleece 7, which is foamed on the relevant surface of the foam body part 1 during the foaming process. The exposed outside of the fleece 7 has a ferromagnetic coating 9. The coating 9, which in the present example is a layer made of a polyurethane to which ferrite particles have been added, forms a smooth, dense and abrasion-resistant layer on the exposed outside of the fleece 7. As a result, the coating 9 acts as a foam barrier during the foaming process, where the coating 9 rests on the shaping wall of the foam mold, so that the foam mass can form a good bond with the free back of the fleece 7, the direct contact with the shaping wall through the Coating 9 is prevented. Caking of the foam mass on the shaping wall is thus avoided and demolding of the foam body part is facilitated.
Aufgrund der ferromagnetischen Eigenschaft der Beschichtung 9 ist das Vlies 7 nach Einlegen in die Einschäumform, an der formgebenden Wand derselben anliegend, mittels einer geeigneten Magnetanordnung sicherbar. Ein Verschieben, Falten oder Verwerfen durch die beim Schäumvorgang einwirkenden Kräfte ist daher vermieden, ohne daß spezielle Haltemittel an der formgebenden Wand der Einschäumform vorgesehen sein müßten. Als Magnetanordnung können Permanentmagnetleisten vorgesehen sein, die längs der Ränder des Vlieses 7 an der Außenseite der Einschäumform angeordnet sind. Das Vlies 7, das am Schaumkörperteil 1 , wie in Fig. 1 und 2 gezeigt, so angeschäumt ist, daß die Beschichtung 9 der in der Rückenlehne des betreffenden Fahrgastsitzes untergebrachten Mechanik zugewandt ist, bildet mit seiner Beschichtung 9 eine glatte, reibungsarme und abriebfeste Schicht und daher einen Schutz gegen Durchscheuern der Oberfläche des Schaumkörperteiles 1 durch Teile der Mechanik aufgrund von Vibrationen oder von funktionsbedingten Bewegungen entsprechender Mechanikteile.Due to the ferromagnetic property of the coating 9, the fleece 7 can be secured by means of a suitable magnet arrangement after it has been placed in the foam mold, lying against the shaping wall thereof. A displacement, folding or warping by the forces acting during the foaming process is therefore avoided without special holding means having to be provided on the shaping wall of the foaming mold. Permanent magnet strips can be provided as a magnet arrangement, which are arranged along the edges of the fleece 7 on the outside of the foaming mold. The fleece 7, which is foamed on the foam body part 1, as shown in FIGS. 1 and 2, so that the coating 9 faces the mechanics accommodated in the backrest of the passenger seat in question, forms with its coating 9 a smooth, low-friction and abrasion-resistant layer and therefore protection against chafing of the surface of the foam body part 1 by parts of the mechanics due to vibrations or from function-related movements of corresponding mechanical parts.
Fig. 3 und 4 verdeutlichen zwei unterschiedliche Vorgehensweisen für die Herstellung des Vlieses 7 mit ferromagnetischer Beschichtung 9. Beim Beispiel beider Fälle wird als Grundmaterial ein unbeschichtetes PET-Vlies 1 1 mit 20 bis 60 g/m2,vorzugsweise etwa 40 g/m2 verwendet, auf das 60 bis 100 g/m2, vorzugsweise etwa 80g/m2, der ferromagnetischen Beschichtung 9 aufgetragen wird. Diese Beschichtung wird als streichfähige Masse durch Aufrakeln aufgetragen. Diese Masse kann beispielsweise ein Gemisch aus 80 Teilen Polyurethan SU 4715 (Firma Stahl) oder einem ähnlichen Polyurethanmaterial mit Zusatz von 20 Teilen Ferritpulver der Korngröße 10 Mikron sein, wobei Butamon als verdünnendes Mittel verwendet wird, um das Gemisch zu einer streichfähigen Masse von ca. 3000 mPa s zu verarbeiten.3 and 4 illustrate two different procedures for the production of the fleece 7 with ferromagnetic coating 9. In the example of both cases, an uncoated PET fleece 11 with 20 to 60 g / m 2 , preferably about 40 g / m 2, is used as the base material used, to which 60 to 100 g / m 2 , preferably about 80 g / m 2 , of the ferromagnetic coating 9 is applied. This coating is applied as a spreadable mass by knife coating. This mass can be, for example, a mixture of 80 parts of polyurethane SU 4715 (Stahl) or a similar polyurethane material with the addition of 20 parts of ferrite powder with a grain size of 10 microns, butamon being used as a diluent to give the mixture a spreadable mass of approx. 3000 mPa s to process.
Bei dem in Fig. 3 gezeigten Beispiel wird die die Beschichtung 9 bildende streichfähige Masse unmittelbar auf eine Bahn des von einem Vorratswickel abgewickelten, unbeschichteten Vlieses 1 1 aufgetragen, indem die Bahn des unbeschichteten Vlieses 1 1 durch eine Beschichtungseinrichtung hin- durchgeführt wird, beim gezeigten Beispiel durch eine Rakel 13. Die Bahn des Vlieses 7 mit aufgetragener, noch nasser Beschichtung 9 wird sodann durch einen Trockner 15 hindurchgeführt und nach Trocknen der Beschichtung 9 zu einem Wickel 17 aufgerollt.In the example shown in FIG. 3, the spreadable composition forming the coating 9 is applied directly to a web of the uncoated nonwoven 11, which is unwound from a supply roll, by passing the web of the uncoated nonwoven 11 through a coating device, as shown Example using a doctor blade 13. The web of the nonwoven 7 with the applied, still wet coating 9 is then passed through a dryer 15 and, after the coating 9 has dried, is rolled up to form a roll 17.
Fig. 4 verdeutlicht eine abgewandelte Vorgehensweise, bei der die die Beschichtung 9 bildende streichfähige Masse mittels der Rakel nicht unmittelbar auf das unbeschichtete PET-Vlies 1 1 aufgetragen wird, sondern zunächst auf die Bahn eines silikonisierten Trägers 1 7, beispielsweise in Form einer Papierbahn oder Folienbahn, die von einem Vorratswickel 1 9 der Rakel 13 zugeführt wird. Nach Auftragen der Beschichtung 9 auf den Träger 1 7 wird dieser zusammen mit der Bahn des unbeschichteten PET-Vlieses 1 1 einem Kaschierwerk 21 zugeführt, wo die Übertragung der Beschichtung 9 vom Träger 17 auf das Vlies 1 1 durch Aufkaschieren erfolgt. Anschließend durchlaufen die Bahnen des Trägers 1 7 und des die auf ihn übertragene Beschichtung aufweisenden Vlieses 7 durch den Trockner 1 5. Nach Durchlauf durch den Trockner 15 wird der Träger 17 vom beschichteten Vlies 7 abgetrennt und gesondert zu einem Wickel 23 aufgerollt. Das beschichtete Vlies 7 wird zum Wickel 25 aufgerollt. Der auf dem Wickel 23 aufgerollte Träger 1 7 kann wieder verwendet werden, d.h. für weitere Fertigungsvorgänge den Vorratswickel 1 9 ersetzen, wenn dieser erschöpft ist. FIG. 4 illustrates a modified procedure in which the spreadable composition forming the coating 9 is not applied directly to the uncoated PET fleece 11 by means of the doctor blade, but initially on the web of a siliconized carrier 17, for example in the form of a paper web or film web, which is fed from a supply roll 19 to the doctor blade 13. After the coating 9 has been applied to the carrier 17, the latter is fed together with the web of the uncoated PET fleece 11 to a laminating unit 21, where the coating 9 is transferred from the carrier 17 to the fleece 11 by lamination. Subsequently, the webs of the carrier 1 7 and the fleece 7 having the coating transferred to it pass through the dryer 1 5. After passing through the dryer 15, the carrier 17 is separated from the coated fleece 7 and rolled up separately to form a roll 23. The coated fleece 7 is rolled up to form a winding 25. The carrier 1 7 rolled up on the reel 23 can be reused, ie replace the supply reel 1 9 for further manufacturing operations when it is exhausted.

Claims

σσ
P a t e n t a n s p r ü c h eP a t e n t a n s r u c h e
1 ) Verfahren zum Herstellen eines Schaumkörperteiles (1 ), insbesondere eines Polsterschaumteiles für einen Flug- oder Fahrgastsitz, bei dem an zumindest einen formgebenden Wandteil einer Einschäumform eine Lage aus einem beim Schäumvorgang eine Sperrschicht zwischen dem Schaummaterial und dem betreffenden Wandteil bildenden Material angelegt wird, dadurch gekennzeichnet, daß als die Sperrschicht bildende Lage ein Vlies (7) mit ferromagnetischer Be- Schichtung (9) verwendet wird und daß das Vlies (7) mittels einer mit der ferromagnetischen Beschichtung (9) zusammenwirkenden, magnetfelderzeugenden Einrichtung am Wandteil lösbar in Stellung gehalten wird.1) Method for producing a foam body part (1), in particular an upholstered foam part for a flight or passenger seat, in which a layer made of a barrier layer between the foam material and the relevant wall part during the foaming process is applied to at least one shaping wall part of a foaming mold, characterized in that a fleece (7) with ferromagnetic coating (9) is used as the layer forming the barrier layer, and in that the fleece (7) is detachably held in position on the wall part by means of a magnetic field-producing device which interacts with the ferromagnetic coating (9) becomes.
2) Verfahren nach Anspruch 1 , dadurch gekennzeichnet, daß ein Vlies (7) auf Polyesterbasis mit 20 bis 60 g/m2 verwendet wird.2) Method according to claim 1, characterized in that a fleece (7) based on polyester with 20 to 60 g / m 2 is used.
3) Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß ein PET- Vlies (7) mit einer ferromagnetischen Beschichtung (9) von 60 bis 100 g/m2 verwendet wird.3) Method according to claim 2, characterized in that a PET fleece (7) with a ferromagnetic coating (9) of 60 to 100 g / m 2 is used.
4) Verfahren nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß als ferromagnetische Beschichtung (9) eine Zusammensetzung verwendet wird, die 80 Teile Polyurethan und 20 Teile Ferritpulver enthält und mit einem Lösungsmittel zur streichfähigen Masse verarbeitet ist.4) Method according to claim 2 or 3, characterized in that a composition is used as ferromagnetic coating (9) which contains 80 parts of polyurethane and 20 parts of ferrite powder and is processed with a solvent to form a spreadable mass.
5) Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß Polyurethan (SU-471 5, Firma Stahl) und Fe-Partikel von 10 Mikron verwendet werden und daß als Lösungsmittel für die Verarbeitung zur streichfähigen Masse Butanon verwendet wird. 6) Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß aus der streichfähigen Masse durch Aufrakeln mittels Messer oder Düse eine Schicht auf einer relativ zur Rakel (1 3) bewegten Bahn eines Trägers (1 7) gebildet wird.5) Method according to claim 4, characterized in that polyurethane (SU-471 5, Stahl company) and Fe particles of 10 microns are used and that butanone is used as a solvent for processing into a spreadable mass. 6) Method according to one of claims 1 to 5, characterized in that from the spreadable mass by knife coating by means of a knife or nozzle, a layer is formed on a relative to the doctor blade (1 3) moving web of a carrier (1 7).
7) Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß das zu beschichtende Vlies (1 1 ) selbst als Träger verwendet wird, auf den die streichfähige Masse unmittelbar aufgerakelt wird.7) Method according to claim 6, characterized in that the fleece to be coated (1 1) is itself used as a carrier, on which the spreadable mass is doctored directly.
8) Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß eine Bahn des silikonisierten Trägers (1 7) relativ zur Rakel (13) bewegt und mit der Beschichtung (9) versehen wird, und daß der beschichtete Träger (1 7) zusammen mit einer Bahn des Vlieses (1 1 ) durch ein Kaschierwerk (21 ) hindurchgeführt und die Beschichtung (9) vom Träger (17) auf das Vlies (1 1) aufkaschiert wird.8) Method according to claim 6, characterized in that a web of the siliconized carrier (1 7) is moved relative to the doctor blade (13) and provided with the coating (9), and that the coated carrier (1 7) together with a web the fleece (1 1) is passed through a laminating unit (21) and the coating (9) is laminated from the carrier (17) onto the fleece (1 1).
9) Verfahren nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die Bahn des beschichteten Vlieses (7) durch einen Trockner (1 5) hindurchgeführt wird.9) Method according to claim 7 or 8, characterized in that the web of the coated fleece (7) is passed through a dryer (1 5).
10) Verfahren nach den Ansprüchen 8 und 9, dadurch gekennzeichnet, daß die Bahnen des Trägers (1 7) und des die ferromagnetische Beschichtung (9) aufweisenden Vlieses (7) nach Durchlauf durch den Trockner (15) voneinander getrennt werden.10) Method according to claims 8 and 9, characterized in that the webs of the carrier (1 7) and the ferromagnetic coating (9) having fleece (7) are separated from one another after passage through the dryer (15).
1 1 ) Nach dem Verfahren nach einem der Ansprüche 1 bis 10 hergestelltes Schaumkörperteil (1 ), das an zumindest einem Teil seiner Oberfläche eine Lage aus einem Vlies (7) mit ferromagnetischer Beschichtung (9) aufweist. 1 1) Foam body part (1) produced by the method according to one of claims 1 to 10, which has a layer of a fleece (7) with a ferromagnetic coating (9) on at least part of its surface.
PCT/EP1999/005303 1999-01-11 1999-07-24 Method for producing a foam element, especially a foam padding element for a plane or vehicle seat WO2000041865A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP99940044A EP1144173B1 (en) 1999-01-11 1999-07-24 Method for producing a foam element, especially a foam padding element for a plane or vehicle seat
JP2000593459A JP4260373B2 (en) 1999-01-11 1999-07-24 Process for producing foam filling elements, in particular foam filling elements for airplane seats or vehicle seats
BRPI9916856-1A BR9916856B1 (en) 1999-01-11 1999-07-24 Method for producing a foam element and foam element.
DE59902806T DE59902806D1 (en) 1999-01-11 1999-07-24 METHOD FOR PRODUCING A FOAM PART, IN PARTICULAR A UPHOLSTERY PART FOR AN AIRPLANE OR PASSENGER SEAT
AT99940044T ATE224280T1 (en) 1999-01-11 1999-07-24 METHOD FOR PRODUCING A FOAM BODY PART, PARTICULARLY AN UPHOLSTERY FOAM PART FOR AN AIRLINE OR PASSENGER SEAT
US09/786,328 US6986822B1 (en) 1999-01-11 1999-07-24 Method for producing a foam element, especially a foam padding element for a plane or vehicle seat

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DE19900623.7 1999-01-11
DE19900623A DE19900623C1 (en) 1999-01-11 1999-01-11 Foamed component, especially a cushion for a plane or passenger vehicle seat and manufacturing process

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001300946A (en) * 2000-03-07 2001-10-30 Woodbridge Foam Corp Insert device used in mold
DE102004010024A1 (en) * 2004-03-02 2005-09-15 Trocellen Gmbh Foamed polymer laminate for vehicle seats and panels comprises outer film layer and foam backing layer bonded together by adhesive filled with ferromagnetic particles
US20070267771A1 (en) * 2006-08-04 2007-11-22 L&P Property Management Company Method and system for making molded foam parts
CA2725219A1 (en) * 2008-05-07 2009-11-12 Velcro Industries B.V. Securing a fabric mold liner
AU2010241227B2 (en) * 2009-11-13 2012-03-01 Fisher & Paykel Appliances Limited Appliance Door
DE102010040412A1 (en) * 2010-09-08 2012-03-08 Bayerische Motoren Werke Aktiengesellschaft Method for manufacturing foam cushion for vehicle seat, involves providing ventilation mat with magnetic material which is distributed such that penetration plastic foam between mat and inner surface of cavity is prevented
JP6342259B2 (en) * 2014-08-06 2018-06-13 東洋ゴム工業株式会社 Seat pad
JP2024522185A (en) * 2021-06-09 2024-06-11 テスラ，インコーポレイテッド Improving ventilation in vehicle seats and structural technology

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0250175A2 (en) * 1986-06-20 1987-12-23 Minnesota Mining And Manufacturing Company Fastener assembly with peripheral temporary attachment layer
US5534097A (en) * 1994-09-02 1996-07-09 Lear Corporation Method of bonding a seat trim cover to a foam cushion utilizing magnetic induction bonding
WO1996025064A2 (en) * 1995-02-17 1996-08-22 Velcro Industries B.V. Touch fastener with magnetic attractant

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909442A (en) * 1949-07-15 1959-10-20 Minnesota Mining & Mfg Transfer ribbon
US3497411A (en) * 1968-03-14 1970-02-24 Ibm Method and materials for printing smooth magnetic layers
US3759644A (en) * 1971-12-29 1973-09-18 M Ladey Mold for forming plastic foam parts
FR2406654A1 (en) * 1977-10-21 1979-05-18 Pyral Soc TRANSFER PROCESS OF MAGNETIC LAYERS ON A SUPPORT AND MATERIALS FOR IMPLEMENTING THIS PROCESS
US4563380A (en) * 1984-07-10 1986-01-07 Minnesota Mining And Manufacturing Company Fastener assembly with improved temporary attachment layer
DE3540648A1 (en) * 1985-11-15 1987-05-21 Metzeler Schaum Gmbh Process and device for embedding a touch-and-close tape in a foam moulding
US4784890A (en) * 1986-06-20 1988-11-15 Minnesota Mining And Manufacturing Company Fastener assembly with peripheral temporary attachment layer
JPH01152017A (en) * 1987-11-17 1989-06-14 Inoue Mtp Co Ltd Manufacture of cushion
KR940006314B1 (en) * 1987-12-15 1994-07-16 가부시끼가이샤 구라레 Fastener component
US4941236A (en) * 1989-07-06 1990-07-17 Timex Corporation Magnetic clasp for wristwatch strap
JP2545611B2 (en) * 1989-08-31 1996-10-23 アキレス株式会社 Injection-molded shoe provided with a backing having a resin foam layer and a method for producing the same
DE4015502A1 (en) * 1990-05-15 1991-11-21 Hoechst Ag TEXTILE REINFORCEMENT INSERT AND FIBER REINFORCED COMPOSITE
WO1992019119A1 (en) * 1991-05-03 1992-11-12 Velcro Industries B.V. Insert mold-in

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0250175A2 (en) * 1986-06-20 1987-12-23 Minnesota Mining And Manufacturing Company Fastener assembly with peripheral temporary attachment layer
US5534097A (en) * 1994-09-02 1996-07-09 Lear Corporation Method of bonding a seat trim cover to a foam cushion utilizing magnetic induction bonding
WO1996025064A2 (en) * 1995-02-17 1996-08-22 Velcro Industries B.V. Touch fastener with magnetic attractant

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ATE224280T1 (en) 2002-10-15
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DE59902806D1 (en) 2002-10-24
EP1144173A1 (en) 2001-10-17

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